CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous please submit it to the forms submit new counts, or report erroneous counts.
CCDB → Angiosperms → Compositae → Rudbeckia → Rudbeckia hirta var. pulcherrima Farw.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| ! | Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 19(1) | Asteracea | Watson 1973 Southw. Naturalist | ||
| Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 19(1) | Asteracea | Solbrig et al. 1972 Amer. J. Bot. | |||
| Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 19 | IPCN online | Freeman, C. C. & R. E. Brooks. 1988. Documented plant chromosome numbers 1988: 1. Chromosome counts for North American plants -- I. Sida 13: 241–250. | |||
| ! | Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 19 | IPCN67-71 | JONES, S.B., JR. 1970. Chromosome numbers in Compositae. Bull. Torrey Bot. Club. 97: 168-174. | ||
| ! | Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 19 | IPCN73-74 | WATSON, T.J., Jr. 1973. Chromosome numbers in Compositae from the southwestern United states. Southw. Naturalist 18: 117-124. | ||
| ! | Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 38 | eFlora | |||
| ! | Rudbeckia hirta var. pulcherrima Farw. | Rudbeckia hirta var. pulcherrima Farw. | 38 | Cave1959 | Perdue 1959 |